The Book of Greetings
وَحَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، وَعُثْمَانُ بْنُ أَبِي شَيْبَةَ، قَالاَ حَدَّثَنَا جَرِيرٌ، عَنِ الأَعْمَشِ، فِي هَذَا الإِسْنَادِ بِمِثْلِهِ .This hadith has been narrated on the authority of al-A'mash with the same chain of transmitters
From Sahih Muslim, whose reports the scholars accept as authentic.